HTET Exam Level 3 PGT

HTET exam Level 3 PGT preparation with Clear Cutoff

Question Details
Exam: HTET
Level: Level 3 PGT
State: Haryana
Year: HTET 2020
Questions: 500

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Question 141

Chemistry
रसायन विज्ञान

What will be the solubility product of AX3AX_{3}?

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AX3AX_{3} के लिए विलेयता गुणनफल होगा :

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Question 142

Chemistry
रसायन विज्ञान

Number of molecules in 100 mL of each of O2,O_{2}, NH3NH_{3} and CO2CO_{2} at STP are:

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STP पर O2O_{2}, NH3NH_{3} तथा CO2CO_{2} प्रत्येक के 100 mL में अणुओं की संख्या :

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Question 143

Chemistry
रसायन विज्ञान

The shape of [Cu(NH3)4]SO4[Cu(NH_{3})_{4}]SO_{4} is:

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[Cu(NH3)4]SO4[Cu(NH_{3})_{4}]SO_{4} की आकृति है :

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Question 144

Chemistry
रसायन विज्ञान

The average rate for the reaction 2N2O5(g)→4NO2(g)+O2(g)2N_{2}O_{5}(g)\rightarrow4NO_{2}(g)+O_{2}(g) is 6.79×10−46.79\times10^{-4} mol L−1min−1L^{-1}{min}^{-1}, then the rate of production of NO2NO_{2} is:

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इस अभिक्रिया के लिए औसत वेग 2N2O5(g)→4NO2(g)+O2(g)2N_{2}O_{5}(g)\rightarrow4NO_{2}(g)+O_{2}(g) 6.79×10−46.79 \times 10^{-4} mol L−1min−1L^{-1}min^{-1} है तब NO2NO_{2} के उत्पादन की दर है:

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Question 145

Chemistry
रसायन विज्ञान

The correct order of decreasing basic strength of following compounds is :

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निम्नलिखित यौगिकों की क्षारीय सामर्थ्य का घटता हुआ सही क्रम है :

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Question 146

Chemistry
रसायन विज्ञान

Sodium phenate reacts with acetyl chloride to form:

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सोडियम फीनेट ऐसीटिल क्लोराइड के साथ अभिक्रिया पर देता है

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Question 147

Chemistry
रसायन विज्ञान

Which one of the following compounds is most reactive towards SN1SN^{1} reaction?

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निम्नलिखित में से कौन-सा यौगिक SN1SN^{1} अभिक्रिया के प्रति सबसे अधिक क्रियाशील है ?

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Question 148

Chemistry
रसायन विज्ञान

1-phenyl-2-chloropropane on treating with alc. KOH gives mainly :

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1-फेनिल-2-क्लोरोप्रोपेन KOH (ऐल्कोहलिक) से अभिक्रिया कराने पर मुख्य रूप से देता है :

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Question 149

Chemistry
रसायन विज्ञान

H2SH_{2}S is more acidic than H2OH_{2}O, because:

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H2OH_{2}O की तुलना में H2SH_{2}S अधिक अम्लीय है, क्योंकि :

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Question 150

Chemistry
रसायन विज्ञान

Product obtained by 1, 3-alkyl substitution (sigmatropic shift) in 1-R-cyclohexa-1,3-diene will be :

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1-R-साइक्लोहेक्सा-1,3-डाईन में 1,3-ऐल्किल विस्थापन (सिग्माट्रोपिक शिफ्ट) द्वारा प्राप्त उत्पाद होगा :

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Question 151

Chemistry
रसायन विज्ञान

Match List-I with List-II and select the correct answer using the Codes given below :
List-I (Reagent) – List-II (Used as test reagent for)
(A) Ammonical AgNO3AgNO_{3} – (i) Primary amine
(B) HIO4HIO_{4} – (ii) Aldehyde
(C) Alkaline KMnO4KMnO_{4} – (iii) Vicinal-OH- group
(D) Chloroform + NaOH – (iv) Double bond

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सूची-I का सुमेलन सूची-II से कीजिए तथा नीचे दिए गए कूट की सहायता से सही उत्तर का चयन कीजिए :
सूची-1 (अभिकर्मक) – सूची-II (जिसके परीक्षण के लिए अभिकर्मक प्रयुक्त होता है)
(A) अमोनियामय AgNO3AgNO_{3} – (i) प्राथमिक ऐमीन
(B) HIO4HIO_{4}– (ii) ऐल्डीहाइड
(C) क्षारीय KMnO4KMnO_{4} – (iii) विसिनल-OH- समूह
(D) क्लोरोफार्म + NaOH – (iv) द्विबन्ध

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Question 152

Chemistry
रसायन विज्ञान

For a gas phase reaction, PCl5(g)⇌PCl3(g)+Cl2(g)PCl_{5}(g)\rightleftharpoons PCl_{3}(g)+Cl_{2}(g) which of the following conditions are correct?

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एक गैस प्रावस्था अभिक्रिया के लिए निम्नलिखित में से कौन-सी PCl5(g)⇌PCl3(g)+Cl2(g)PCl_{5}(g)\rightleftharpoons PCl_{3}(g)+Cl_{2}(g) परिस्थिति सही है ?

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Question 153

Chemistry
रसायन विज्ञान

Select the correct order of acidic strength of following oxides:

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निम्नलिखित ऑक्साइडों की अम्लीय सामर्थ्य के सही क्रम का चयन कीजिए :

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Question 154

Chemistry
रसायन विज्ञान

For the reaction: E+S→Ka′KaESE+S \xrightarrow[Ka']{Ka} ES and ES→KbPES \xrightarrow{Kb} P. What is the concentration of enzyme substrate complex by applying steady state approximation?

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For the reaction: E+S→Ka′KaESE+S \xrightarrow[Ka']{Ka} ES and ES→KbPES \xrightarrow{Kb} P. स्थायी अवस्था सन्निकटन लगाने पर एन्जाइम आश्रय संकुल की सान्द्रता क्या होगी ?

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Question 155

Chemistry
रसायन विज्ञान

The pH of blood 7.26 to 7.42 is maintained by buffer:

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रक्त की pH 7.26 से 7.42 तक बनाए रखने वाला बफर है :

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Question 156

Chemistry
रसायन विज्ञान

Following characteristics absorption bands are obtained in IR spectrum of an organic compound having molecular formula C2H6OC_{2}H_{6}O:
(a) Strong band at 3300 cm−13300~cm^{-1}
(b) Medium intensity band at 2965cm−12965 cm^{-1}
(c) Strong band at 2920 cm−12920~cm^{-1}
(d) a band at 1050 cm−11050~cm^{-1}.
Identify the compound:

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अणुसूत्र C2H6OC_{2}H_{6}O युक्त एक कार्बनिक यौगिक के निम्नलिखित अभिलाक्षणिक अवशोषण बैण्ड अवरक्त स्पेक्ट्रम में प्राप्त होते हैं :
(a) 3300 cm−13300~cm^{-1} पर एक तीव्र बैण्ड
(b) 2965 cm−12965~cm^{-1} पर एक मध्य प्रबल बैण्ड
(c) 2920 cm−12920~cm^{-1} पर एक तीव्र बैण्ड
(d) 1050 cm−11050~cm^{-1} पर बैण्ड.
यौगिक को पहचानिए :

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Question 157

Chemistry
रसायन विज्ञान

How many Proton NMR signals will be obtained respectively in following compounds ?

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निम्नलिखित यौगिकों में क्रमशः कितने प्रोटॉन NMR संकेत मिलेंगे ?

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Question 158

Chemistry
रसायन विज्ञान

The stability order of Oxides, Peroxide and Superoxide of alkali metal is:

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क्षारीय धातुओं के लिए ऑक्साइड, परॉक्साइड तथा सुपरऑक्साइड के स्थायित्व का क्रम है :

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Question 159

Chemistry
रसायन विज्ञान

In a cell that utilizes the reaction: Zn(s)+2H+(aq)⇌Zn2+(aq)+H2(g)Zn(s)+2H^{+}(aq)\rightleftharpoons Zn^{2+}(aq)+H_{2}(g) addition of H2SO4H_{2}SO_{4} to cathode compartment will :

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एक सेल जिसमें निम्नलिखित अभिक्रिया होती है : Zn(s)+2H+(aq)⇌Zn2+(aq)+H2(g)Zn(s)+2H^{+}(aq)\rightleftharpoons Zn^{2+}(aq)+H_{2}(g) कैथोड प्रभाग में H2SO4H_{2}SO_{4} मिलाने पर :

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Question 160

Chemistry
रसायन विज्ञान

A current of 9.65 amp. is passed through an aqueous solution of NaCl using suitable electrodes for 1000 s. Given that 1 Faraday equals to 96,500 coulombs the amount of NaOH (mol. wt.=40.00)wt.=40.00) formed on electrolysis is:

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उचित इलेक्ट्रोडों का उपयोग करते हुए NaCl के जलीय विलयन में 9.65 एम्पीयर की विद्युत् धारा 1000 s तक प्रवाहित की। दिया हुआ है : 1 फैराडे = 96,500 कूलम्ब तो विद्युत् अपघटन पर NaOH (अणुभार = 40.00) की बनने वाली मात्रा होगी :

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