Assertion: $L i$ resembles $M g$ .
Reasoning: $L i$ has almost similar size as $M g$ .

Both Assertion and Reason are true and Reason is the correct explanation of Assertion.

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Both Assertion and Reason are true but Reason is not a correct explanation of Assertion.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Assertion is true but Reason is false.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Both Assertion and Reason are false.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
Lithium and magnesium show diagonal relationship due to similar sizes. The atomic size of lithium and magnesium are 152 pm and 160 pm respectively. Their ionic sizes are 76 pm and 72 pm respectively. Due to this lithium resembles magnesium.
so both Assertion and Reason are true and Reason is the correct explanation of Assertion.

Suggest Corrections

Similar questions

Assertion: If $a \neq b$ , then $(a, b) \neq (b, a)$ .
Reason: $(4, - 3)$ lies in Quadrant $I V$
(a) Both Assertion and Reason are true and Reason is a correct explanation of Assertion.
(b) Both Assertion and Reason are true but Reason is not a correct explanation of Assertion.
(c) Assertion is true and Reason is false.
(d) Assertion is false and Reason is true.

Q. Assertion: The point O(0, 0) lies in quadrant I.
Reason: The point O(0, 0) lies on both the axes.
(a) Both Assertion and Reason are true and Reason is a correct explanation of Assertion.
(b) Both Assertion and Reason are true but Reason is not a correct explanation of Assertion.
(c) Assertion is true and Reason is false.
(d) Assertion is false and Reason is true.

Q. Assertion: The point P(−3, 0) lies on x-axis.
Reason: Every point on x-axis is of the form (x, 0).
(a) Both Assertion and Reason are true and Reason is a correct explanation of Assertion.
(b) Both Assertion and Reason are true but Reason is not a correct explanation of Assertion.
(c) Assertion is true and Reason is false.
(d) Assertion is false and Reason is true.

Q. Assertion: Magnesium is important in carbohydrate and protein metabolism. Reason: Mg²⁺ is involved in the synthesis of Nucleic acids.

Q. Assertion : Amount of cyanocobalamine required daily is 3 mcg
Reason : Its deficiency causes pernicious anaemia

Join BYJU'S Learning Program

Assertion: Li resembles Mg.Reasoning: Li has almost similar size as Mg.

Assertion: $L i$ resembles $M g$ .
Reasoning: $L i$ has almost similar size as $M g$ .