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Grade 12th passIIT JEE Entrance Exam

ANYONE . Please explain this Thanks
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Profile image of John Coolidge
6 Years agoGrade 12th pass
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1 Answer

Profile image of Aarje Amit Rathore
6 Years ago
Carbonation stability proportional to +R> +I >Hyper 
Then in 1st option there is -R effect for unstable.
And 3rd is most stable due to high +R effect.
Then order is 
3>5>2>4>1

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