(D) The molecule $A$ is benzene $(C_6H_6)$.In benzene,all carbon atoms are $sp^2$ hybridized.$sp^2$ hybridized carbon atoms have a trigonal planar geo

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(D) The molecule $A$ is benzene $(C_6H_6)$.In benzene,all carbon atoms are $sp^2$ hybridized.$sp^2$ hybridized carbon atoms have a trigonal planar geometry with a bond angle of $120^{\circ}$.The carbon-carbon bond length in benzene is $1.39 \ \mathring{A}$,which is intermediate between a single bond $(1.54 \ \mathring{A})$ and a double bond $(1.34 \ \mathring{A})$.Therefore,the $C-C$ bond angle is $120^{\circ}$.

Class 11 Chemistry Data Entry - Chemistry Level 0 of all question bank

Cyclic hydrocarbon molecule $A$ has all the carbon and hydrogen atoms in a single plane. All the carbon-carbon bonds are of the same length,which is less than $1.54 \ \mathring{A}$ but more than $1.34 \ \mathring{A}$. The $C-C$ bond angle will be

AIPMT 1989 All AIPMT

A
$109^{\circ}28'$
B
$100^{\circ}$
C
$180^{\circ}$
D
$120^{\circ}$

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The solution of $\frac{dx}{dy} + \frac{x}{y} = x^2$ is:

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$A$ circular disc of radius $R$ and thickness $\frac{R}{6}$ has a moment of inertia $I$ about an axis passing through its center and perpendicular to its plane. It is melted and recast into a solid sphere. The moment of inertia of this sphere about its diameter is:

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Which of the following has the highest density?

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Cyclic hydrocarbon molecule $A$ has all the carbon and hydrogen atoms in a single plane. All the carbon-carbon bonds are of the same length,which is less than $1.54 \ \mathring{A}$ but more than $1.34 \ \mathring{A}$. The $C-C$ bond angle will be

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Which one of the following equations represents the variation of viscosity coefficient $(\eta)$ with temperature $(T)$?

$A$ ray of light is incident upon an air/water interface (it passes from air into water) at an angle of $45^o$. Which of the following quantities change as the light enters the water?$(I)$ wavelength$(II)$ frequency$(III)$ speed of propagation$(IV)$ direction of propagation

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$A$ circular disc of radius $R$ and thickness $\frac{R}{6}$ has a moment of inertia $I$ about an axis passing through its center and perpendicular to its plane. It is melted and recast into a solid sphere. The moment of inertia of this sphere about its diameter is:

Which of the following has the highest density?

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$A$ ray of light is incident upon an air/water interface (it passes from air into water) at an angle of $45^o$. Which of the following quantities change as the light enters the water?
$(I)$ wavelength
$(II)$ frequency
$(III)$ speed of propagation
$(IV)$ direction of propagation