Graduate Pharmacy Aptitude Test (GPAT) 2012 Solved Paper

Question : 63 of 148

Marks: +1, -0

Determine the correctness or otherwise of the following Assertion [a] and Reason [r] : Assertion [a] : Halogens are unusual in their effect on electrophilic aromatic substitution; they are deactivating yet ortho-, para-directing. Reason [r] : In electrophilic aromatic substitution reactions, reactivity is controlled by stronger inductive effect while orientation is controlled by the stronger hyperconjugation effect. Choose the correct statement.

[a] is true but [r] is false
Both [a] and [r] are true and [r] is the correct reason for [a]
Both [a] and [r] are false
Both [a] and [r] are true but [r] is NOT the correct reason

Validate

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