Chemistry-
General
Easy
Question
Which of the following reagents are involved in the following transformation?
- H3O+
- LiAlH4
- Ethylene glycol
- Acetone
The correct answer is: H3O+
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Which of the following is used to perform following transformation :
Which of the following is used to perform following transformation :
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Which of the following compounds react with aniline to give acetanilide : Which of the following compounds react with aniline to give acetanilide
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Consider the following reaction
Consider the following reaction
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In this reaction the product (E) is :
In this reaction the product (E) is :
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The value of ΔHforthecombustionofC(s)is –94.4Kcal.TheheatofformationofCO2(g)is-
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chemistry-General
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The following are the heats of reactions-
i)ΔHOofHO(l)=–68.3Kcalmol–1
ii)ΔHO comb ofC2H4 =–337.2Kcalmol–1
iii) ΔHO comb ofC2H4 =–363.7Kcalmol–1Then heat change for the reaction
C2H2+H2→C2H4is-</span
The following are the heats of reactions-
i)ΔHOofHO(l)=–68.3Kcalmol–1
ii)ΔHO comb ofC2H4 =–337.2Kcalmol–1
iii) ΔHO comb ofC2H4 =–363.7Kcalmol–1Then heat change for the reaction
C2H2+H2→C2H4is-</span
chemistry-General
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Theheatevolvedduringthecombustionof112litre of water gas(mixtureofequalvolumeofH2andCO)
is: Given
H2(g)+1/2O2(g)=H2O(g);ΔH=–241.8KJ
CO(g)+1/2O2(g)=CO2(g);ΔH=–283KJ</span
Theheatevolvedduringthecombustionof112litre of water gas(mixtureofequalvolumeofH2andCO)
is: Given
H2(g)+1/2O2(g)=H2O(g);ΔH=–241.8KJ
CO(g)+1/2O2(g)=CO2(g);ΔH=–283KJ</span
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What is the relation between figure of merit (K) and current sensitivity 
?
What is the relation between figure of merit (K) and current sensitivity ?
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For the reaction,
i)H2(g)+Cl2(g)→2HCl(g)+xKJ
ii)H2(g)+Cl2(g)→2HCl(
)+Ykj Which one of the following statementis correct:
For the reaction,
i)H2(g)+Cl2(g)→2HCl(g)+xKJ
ii)H2(g)+Cl2(g)→2HCl()+Ykj Which one of the following statementis correct:
chemistry-General
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Heatofformation,ΔHOofanexplosivecompound likeNCl3is-</span
Heatofformation,ΔHOofanexplosivecompound likeNCl3is-</span
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A reaction A+B→ C+D+q is found to have a positive entropy change, there action will be–
A reaction A+B→ C+D+q is found to have a positive entropy change, there action will be–
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What is the sign of ΔGfortheprocessoficemelting at283K?
What is the sign of ΔGfortheprocessoficemelting at283K?
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At acertain temperature T, the end other micreaction A→B proceed salmost to completion. The entropy change is-
At acertain temperature T, the end other micreaction A→B proceed salmost to completion. The entropy change is-
chemistry-General
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An ammeter of range 5 A is to be converted into an ammeter of range 10 V If the resistance of anmeter be ,then what resistance should be connected in series with it?
An ammeter of range 5 A is to be converted into an ammeter of range 10 V If the resistance of anmeter be ,then what resistance should be connected in series with it?
physicsGeneral
