Which of the following statements concer...

Which of the following statements concerning elements with atomic number 10 is true?

It forms a covalent net work of solids

Its molecules are monoatomic

It hs a very high value of electron affinity

It has extremely low value of ionisation energy

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Which of the following statements are true

3-penten-2-one is more stable than 4-penten-2-one

2-propanol possess higher b.p. than propanone

The dipole moment of proponal is greater than 1-butene

Propanone possess higher boiling point that propanol

A material of high conductivity can absorb large amount of heat

The coefficient of thermal conductivity cannot determine the direction of propagation of heat

A good conductor loses heat faster

Free electrons transport heat from higher temperature to lower temperature

Allyl cation is more stable than cyclo tri phenyl cation

Cyclopropenyl cation is less stable than the allylcation

Cyclopropenyl cation more stable than allyl cation

Cyclopropenyl cation and allycation are equally stable