1
TS EAMCET 2020 (Online) 11th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following molecules is present in photochemical smog?

A

$\mathrm{SO}_2$

B

$\mathrm{NO}_2$

C

$\mathrm{CO}_2$

D

CO

2
TS EAMCET 2020 (Online) 11th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

The correct order of the relative stability of the following carbanions is

I. $\mathrm{HC} \equiv \mathrm{C}^{-}$

II. $\mathrm{CH}_2=\mathrm{CH}-\mathrm{CH}_2^{-}$

III. $\mathrm{H}_2 \mathrm{C}=\mathrm{CH}^{-}$

IV. $\left(\mathrm{C}_6 \mathrm{H}_5\right)_2 \mathrm{CH}^{-}$

A

I $>$ IV $>$ II $>$ III

B

III $>$ IV $>$ I $>$ II

C

IV $>$ II $>$ I $>$ III

D

IV $>$ I $>$ II $>$ III

3
TS EAMCET 2020 (Online) 11th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following sets of functional groups is meta-directing group?

A

$-\mathrm{NO}_2,-\mathrm{NH}_2,-\mathrm{COOH},-\mathrm{COOR}$

B

$-\mathrm{NO}_2,-\mathrm{CHO},-\mathrm{SO}_3 \mathrm{H}-\mathrm{COR}$

C

$-\mathrm{CN},-\mathrm{CHO},-\mathrm{NHCOCH}_3,-\mathrm{COOR}$

D

$-\mathrm{CN},-\mathrm{NH}_2,-\mathrm{NHR},-\mathrm{OCH}_3$

4
TS EAMCET 2020 (Online) 11th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

The correct order of reactivity of hydrogen halides with propene is

A

$\mathrm{HCI}>\mathrm{HBr}>\mathrm{HI}$

B

$\mathrm{HBr}>\mathrm{HI}>\mathrm{HCI}$

C

$\mathrm{HI}>\mathrm{HBr}>\mathrm{HCl}$

D

$\mathrm{HCl}>\mathrm{HI}>\mathrm{HBr}$

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