In the Newman projection for 2-2-dimethylbutane- X and Y can respectively be-A- H and HB- H and C 2 H 5C- C 2 H 5 and HD- CH 3 and CH 3

The correct options are B H and C_2H_5 D CH_3 and CH_32,2 dimethylbutane Newmann projection around C_2 C_3 bond: Newmann projections aroud C_1 C_2 bond: nbsp ...

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Standard XII

Chemistry

Newman Projection

In the Newman...

Question

In the Newman projection for 2,2-dimethylbutane, $X$ and $Y$ can respectively be:

H

and

H

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H

and

C_{2} H_{5}

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C_{2} H_{5}

and

H

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C H_{3}

and

C H_{3}

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Solution

The correct options are
B $H$ and $C_{2} H_{5}$
D $C H_{3}$ and $C H_{3}$
2,2-dimethylbutane
Explanation: Newmann projection around $C_{2} - C_{3}$ bond:

Newmann projections aroud $C_{1} - C_{2}$ bond:

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Similar questions

Q. In the Newman projection for 2,2-dimethylbutane,

X

and

Y

can respectively be:

Q. The rotational energy barrier

i n {K cal mol}^{- 1}

between the most stable and the least stable conformations of

2,3- dimethylbutane

along

C_{2} - C_{3}

bond is :
(Given : Energies

{K cal mol}^{- 1}

for

H / C H_{3}

eclipsing =

1.8

C H_{3} / C H_{3}

eclipsing =

3.9

C H_{3} / C H_{3}

gauche =

0.9

. Torsional strain of

H / H

eclipsing is neglected.)

Q. In the given reaction:

$(a) C_{3} H_{7} - H | C | C H_{3} - O H S O C l_{2} / P y r i d n e - -------- \to [X]$

[X] will be:

$(a) C_{3} H_{7} - H | C | C H_{3} - C l (b) C l - H | C | C H_{3} - C_{3} H_{7}$
$(c) M i x t u r e o f (a) a n d (b) (d) C H_{3} - C H_{2} - C l | C | C H_{3} - C H_{3}$

C H_{3} O H + C_{2} H_{5} O H H^{+} - - \to

Products

The $C - O - C$ angle would be maximum in

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In the Newman projection for 2,2-dimethylbutane, X and Y can respectively be:

The correct options are B H and C2H5 D CH3 and CH32,2-dimethylbutaneExplanation: Newmann projection around C2−C3 bond: Newmann projections aroud C1−C2 bond:

In the Newman projection for 2,2-dimethylbutane, $X$ and $Y$ can respectively be:

The correct options are
B $H$ and $C_{2} H_{5}$
D $C H_{3}$ and $C H_{3}$
2,2-dimethylbutane
Explanation: Newmann projection around $C_{2} - C_{3}$ bond:

Newmann projections aroud $C_{1} - C_{2}$ bond: