Which statements describe the bonding in the water molecule polar covalent pi bo

Question

Which statements describe the bonding in the water molecule polar covalent pi bond sp^3 hybridization 1 only 2 only 3 only 1 & 2 only 1 3 only Which of the following molecules can form hydrogen bonds NH_3 HCI CH_4 H_2S H_2 What is the wavelength of light with frequency of 1.09 times 10^15 Hz 137 nm 231 nm 275 nm 363 nm none of these What is the hybridization of the carbon double bonded to oxygen sp sp^2 sp^3 sp^3d What volume of 2.00 M HCI should you use to prepare 100. mL of 0.500 M HCI 25.0 mL 50.0 mL 100. mL 200. mL none of these

Explanation / Answer

First question answer:-

WATER molecules under goes sp3 Hybridisation

Therefore if has single bonds

Water molecule can't be polar covalent because the bond formed between hydrogen and oxygen

Are by sharing of electrons

Water doesn't form bond because it doesn't have any double bonds to form electrons

Therefore correct answer is "E(1&3)"

2.second question answer :-

NH3 can form Intermolecular Hydrogen bonding over

Therefore correct answer is " A"

Third question answer:-

We know that,

Frequency V = velocity of light (C)/wave length

= 3*1010 /1.09*1015   * 107 = 275nano meters

Therefore correct answer is "C".

Fourth question answer:-

The bond between the given carbon and oxygen is double bond ,so the Hybridisation of that carbon is sp2.So the correct answer is " B".

Fifthianswer :-

2Molar HCl can contain 100ml

0.5MolaHCl Hlcan contain ------>?

Let x be the unknown volume then,

x = 100*0.5/2= 25ml Therefore, unknown volume=25ml.

Correct answer is "A"

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