The bond length of the SO bond in maximum in which of the following compounds?

1.  SOCI2 

2. SOBr2 

3.SOF2 

4. All have the same length

Subtopic:  Covalent Bond |
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Out of the two compounds shown below, the vapour pressure of B at a particular temperature is expected to be :

(A)  and (B) 

(1) Higher than that of A

(2) Lower than that of A

(3) same as that of A 

(4) can be higher or lower depending upon the size of the vessel 

Subtopic:  van der Waal Force & Hydrogen Bonding |
 65%
From NCERT
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Solubillity of alkali metal fluorides increases down the group select correct explanation for given statement :

(1) Hydration energy increase and lattice energy decrease down the group 

(2) Both energy decrease down the group but decrease in hydration energy is rapid

(3) Both energy decrease down the group but decrease in lattice energy is more

(4) both energy decrease down the group but increase in hydration energy is rapid

Subtopic:  Lattice & Hydration Energy |
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In which of the following compounds BF bond length is shortest ?

(a) BF4-       (b) BF3NH3

(c) BF3         (d) BF3NCH33

Subtopic:  Hybridisation |
 55%
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In terms of polar character which of the following order is correct?

1. NH3<H2O<HF<H2S   

2. H2S<NH3<H2O<HF

3. H2O<NH3<H2S<HF   

4. HF<H2O<NH3<H2S

Subtopic:  Polarity |
 77%
From NCERT
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The correct order of boiling point among the following is:

1. T2<D2<H2                                 

2. n-pentane<neo pentane

3. Xe < Ar < He

4. m-nitrophenol > o-nitrophenol

Subtopic:  Types of Chemical Bond |
 57%
From NCERT
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The correct order of 'SO' bond length is:

1. \(\mathrm{SO}_3^{2-}>\mathrm{SO}_4^{2-}>\mathrm{SO}_3>\mathrm{SO}_2 \)
2. \(\mathrm{SO}_3^{2-}>\mathrm{SO}_4^{2-}>\mathrm{SO}_2>\mathrm{SO}_3 \)
3. \(\mathrm{SO}_4^{2-}>\mathrm{SO}_3^{2-}>\mathrm{SO}_2>\mathrm{SO}_3 \)
4. \(\mathrm{SO}_4^{2-}>\mathrm{SO}_3^{2-}>\mathrm{SO}_3>\mathrm{SO}_2\)
Subtopic:  Resonance & Nature of Compounds |
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The linear structure is possessed by :

(1) SnCl2

(2) NCO-

(3) NO2+

(4) CS2

 

Subtopic:  Hybridisation |
 52%
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Cis-butene dioic acid Ka1{-H+}X-1Ka2{-H+}X22-

Trans-butene dioic acid Ka1'{-H+}Y-1Ka2·{-H+}Y22-

The incorrect statement regarding above the information is:

(1) X22- species is more basic than Y22- species 

(2) X1- species is more basic than Y1- species

(3) Ka1 is greater than K'a2 

(4) K'a2 is greater than K'a2

Subtopic:  Acidic, Basic Character & Fajan's Rule |
 51%
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In which of the following compounds octet is complete and incomplete for all atoms:

         Al2Cl6      Al2CH36       AlF3      Dimer of BeCl2     Dimer of BeH2

(1)      IC               IC                   IC                     C                         C

(2)      C                IC                   IC                     C                         IC

(3)      C                IC                    C                     IC                        IC

(4)      IC                C                    IC                    IC                        IC

where C denotes Complete and IC incomplete.

Subtopic:  Covalent Bond |
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