In these questions Q. No i-iv, a statement of assertion followed by a statemen
reason is given. Choose the correct answer out of the following choices.
(a) Assertion and reason both are correct statements and reason is co
explanation for assertion.
(b) Assertion and reason both are correct statements but reason is not co
explanation for assertion.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(0)
Assertion (A): Boron has a smaller first ionisation enthalpy than beryllium.
Reason (R) : The penetration of a 2s electron to the nucleus is more than
electron
Pago
(iv)
Assertion (A) : First ionisation enthalpy of N is higher than 0.
Reason (R) : Extra stability of half-filled 2p subshell of O atom.
Assertion (A) : Second IE of all elements are always higher than first IE.
Reason (R): IE of noble gas elements are highest in their respective period.
Assertion (A) : IE of Alkali metals are lowest in a period.
Reason (R): The size of Alkali metals are largest in any period.
OR
Assertion (A): IE in a period increases as we go from left to right.
Reason (R): In period left to right Zeff decreases and geff increases.
Answers
Answered by
1
Answer:
hi
Explanation:
itna lamba question sorry mujhe nahi pta
Answered by
0
Answer:
I don't know the answer sis
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