EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>Exercise 1>Q 193

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JEE Main

IMPORTANT

Earn 100

Given below are the atomic numbers of some
group 14 elements. The atomic number of the
element with lowest melting point is:

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Important Questions on The p-Block Elements

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JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>Exercise 1>Q 194

The large difference between the melting and boiling points of oxygen and sulphur may be explained on the basis of

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>Exercise 1>Q 195

G i v e n b e l o w a r e t w o s t a t e m e n t s : S t a t e m e n t (I) : T h e f i r s t i o n i z a t i o n e n e r g y o f P b i s g r e a t e r t h a n t h a t o f S n S t a t e m e n t (I I) : T h e f i r s t i o n i z a t i o n e n e r g y o f G e i s g r e a t e r t h a n t h a t o f S i . I n t h e l i g h t o f t h e a b o v e s t a t e m e n t s, c h o o s e t h e c o r r e c t a n s w e r f r o m t h e o p t i o n s g i v e n b e l o w :

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JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>Exercise 1>Q 196

T h e s u c c e s s i v e 5 i o n i s a t i o n e n e r g i e s o f a n e l e m e n t a r e 800, 2427, 3658, 25024 a n d 32824 k J / m o l, r e s p e c t i v e l y . B y u \sin g t h e a b o v e v a l u e s p r e d i c t t h e g r o u p i n w h i c h t h e a b o v e e l e m e n t i s p r e s e n t :

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>Exercise 1>Q 197

First ionisation enthalpy values of first four group 15 elements are given below. Choose the correct value for the element that is a main component of apatite family :

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>Exercise 1>Q 198

A group 15 element forms $d π - d π$ bоnd with transition metals. It also forms hydride, which is a strongest base among the hydrides of other group members that form $d π - d π$ bоnd. The atomic number of the element is________.