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Arrange the following molecules in the i...

Arrange the following molecules in the increasing order of bond angle.
`underset(I)(H_(2)O) underset(II)(H_(2)S)underset(III)(H_(2)Se) underset(IV)(H_(2)Te)`

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Arrange the given species in increasing order of O-O bond length underset(I)(H_(2)O_(2)) , underset(II)(KO_(2)) , underset(III)(Na_(2)O_(2)), underset(IV)(O_(2))

Arrange the following molecules from most to least polar. underset("I")(CH_(4))underset("II")(CF_(2)Cl_(2))underset("III")(CF_(2)H_(2))underset("IV")("CCl"_(4))underset("V")(CH_(2)Cl_(2))

Arrange the following resonating structures in order of increasing stability underset((I))(CH_(2)=overset(+)(N)=overset(-)(N))" "underset((II))(H_(2)overset(+)(C)=N=overset(-)(N))" "underset((III))(H_(2)overset(-)(C)-overset(+)(N) equiv N)" "underset((IV))(H_(2) overset(-)(C)-N=overset(+)(N))

Arrange the following carbonium ions in order of decreasing stability : underset(I)underset()((CH_(3))_(3)overset(+)C)" "underset(II)underset()((CH_(3))_(2)overset(+)CH)" "underset(III)underset()(CH_(3)overset(+)CH_(2))" "underset(IV)underset()(overset(+)H_(3)C)

The bond dissociation energies of the following underset(I)(CH_(3)-H) underset(II)(CH_(3)CH_(2)-H) underset(III)(CH_(2)=CH-CH_(2)-H) underset(IV)(C_(6)H_(5)-H) vary in the order :

The increasing order of the boiling points for the following compound is : underset((I))(C_(2)H_(5))OH " " underset((II))(C_(2)H_(5))Cl " " underset((III))(C_(2)H_(5))CH_(3) " " underset((IV))(C_(2)H_(5))OCH_(3)

Which order is correct for the decreasing reactivity to ring monobromination of the following compounds underset(I)(C_(6)H_(5)CH_(3)), underset(II)(C_(6)H_(5)COOH),underset(III)(C_(6)H_(6)),underset(IV)(C_(6)H_(5)NO_(2))

AAKASH INSTITUTE-THE P-BLOCK ELEMENTS-Assignment Section-B)
  1. Boron halides behave as Lewis acid because of their nature.

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  2. In graphite, electrons are

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  3. From B(2)H(6), all the following can be prepared except

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  4. Thermodynamically the most stable form of carbon is

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  5. Specify the coordination geometry around and the hybridisation of N an...

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  6. Carbondioxide is used for extinguishing fire because

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  7. Boron nitride on reacting with steam gives

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  8. Borax is written as

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  9. Write the chemical reactions of P(4)O(6) with cold and hot water.

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  10. Which of following trihalides of nitrogen behaves as the weakest base?

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  11. Arrange the following molecules in the increasing order of bond angle....

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  12. The colour of I(2) is violet because it

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  13. (NH(4))(2)Cr(2)O(7) on heating gives a gas which is also given by :

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  14. K(2)Cr(2)O(7)+SO(2) overset(H+)toproducts the oxidation state of chr...

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  15. N(2)O(4) is a mixed anhydride because it

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  16. The percentage of available chlorine in a commercial sampleof bleachin...

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  17. A certain compound when burned gives three oxides. The first turned li...

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  18. Which of the following gas has highest solubility in water?

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  19. Which of the following compound is paramagnetic?

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  20. The strongest oxidising agent among the following is

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