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The atomic numbers of elements A, B, C a...

The atomic numbers of elements A, B, C and D are Z1, Z, Z + 1 and 2 + 2 respectively. If 'B' is a noble gas, choose the correct answers from the following statements
Q (1) 'A' has higher electron affinity.
Q (2) 'C exists in + 2 oxidation state.
Q (3) 'D' is an alkaline earth metal.

A

(a) and (b)

B

(b) and (c)

C

(a) and (c)

D

(a), (b) and (c)

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-PERIODIC TABLE-OBJECTIVE EXERCISE -2B
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  2. Match the following in view of highest values

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  3. The atomic numbers of elements A, B, C and D are Z1, Z, Z + 1 and 2 + ...

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  5. Match the following correctly

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  6. Match the following correctly

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  7. Match the following correctly

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  8. Which of the following is not correct in the case of Be and Al ?

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  10. The following are some statements about periodic properties i) Atomi...

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  13. The elements 'X', 'Y' and 'Z' form oxides which are acidic, basic and ...

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  18. O^(2-) and Si^(4+)are isoelectronic ions. If the ionic radius of O^(2-...

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  19. lonic radii (in oversetoA) of As^(3+), Sb^(3+) and Bi^(3+) follow the ...

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