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What is Inductive effect ? 

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Important Questions on Organic Chemistry- Some Basic Principles and Techniques

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How many lone pairs of electrons are there in the given compound?

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Among the following, the total number of compounds which give positive Lassaigne's test for nitrogen is/are_____

i NH2OH
ii H2N-NH2
iii H2N-CO-NH2
iv H2N-C6H4-COOH
v H2N-CS-NH2
vi H2N-C6H4-SO3H
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Among the following compounds, how many compounds are more acidic in nature as compared to benzoic acid?
p-methoxybenzoic acid, ethanol, p-nitrobenzoic acid, phenol, sulphuric acid, picric acid, p-chlorobenzoic acid.

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If the number of σ and π bonds in vinyl acetate are x and y, respectively. What is the sum of x+y?
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Among the given compounds identify the pair of geometrical isomers:-

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Which of the following compounds does not have geometrical isomers:
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Which of the following compound can show geometrical isomerism:
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Which of the following will show cis-trans isomerism :-