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Magnetic Properties

Match List I ...

Question

Match List I and List II.
List I List II
A. Americium 1. Lanthanide
B. Lanthanum 2. Transition metal
C. Promethium 3. Actinide
D. Technician 4. Synthetic element
5. Radioactive element

A

A - 3,4,5; B - 2; C - 1,5; D - 2,4

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B

A - 3,5; B - 4; C - 5; D - 2

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C

A - 5; B - 1,3; C - 2,3; D - 4

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D

A - 2,5; B - 2; C - 1,5; D - 1

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Solution

The correct option is C A - 3,4,5; B - 2; C - 1,5; D - 2,4
Americium is an actinide. All transuranic actinides are synthetic elements and actinides are all radioactive,
Lanthanum is a transition element (not a lanthanide) as electronic configuration is $[X e] 5 d^{1} 6 s^{2}$ .

Promethium is a synthetic lanthanide element and is radioactive.
Technetium is a synthetic transition metal.

So, the correct option is $A$

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Similar questions

Q. Let's suppose that the origin is shifted to

(1, 2)

then match the elements of List I with List II:

List I	List II
A) $(7, 5)$ changes to	1) $(- 4, - 1)$
B) $(- 3, 1)$ changes to	2) $(- 2, - 4)$
C) $(0, 5)$ changes to	3) $(6, 3)$
D) $(- 1, - 2)$ changes to	4) $(0, 0)$
	5) $(- 1, 3)$

Q. Match the elements of List I with List II:

List-I	List-II
A) $\int_{0}^{\frac{π}{2}} log sin x d x =$	1) $4 π$
B) $\int_{0}^{\frac{π}{2}} log tan x d x =$	2) $- \frac{π}{2} {log}_{e} 2$
C) $\int_{0}^{π} x log sin x d x =$	3) $- \frac{π^{2}}{2} {log}_{e} 2$
D) $\int_{- π}^{π} (x^{3} + x cos x + {tan}^{5} x + 2) d x =$	4) $0$

Q. Match list-I with a list -II.
List I List II
(A) Lanthanide contraction (p) s-block
(B) Diagonal relationship (q) Elements of 3rd period
(C) Typical elements (r) f-block
(D) Inner transition elements (s) Be-Al

α, β

are the roots of

a x^{2} + b x + c = 0

then match the elements of list I with elements of list II:

List I	List II
A) $\frac{α}{β} + \frac{β}{α} =$	1) $\frac{c^{2}}{a^{2}}$
B) $\frac{α^{2} + β^{2}}{α^{- 2} + β^{- 2}} =$	2) $\frac{c^{5} [3 a b c - b^{3}]}{a^{8}}$
C) $α^{3} + β^{3}$	3) $\frac{b^{2} - 2 a c}{a c}$
D) $α^{5} β^{8} + α^{8} β^{5} =$	4) $\frac{3 a b c - b^{3}}{a^{3}}$

The correct match from List-I to List-II:

A, B, C, D

Q. Choose the correct option, if List I denotes polar co-ordinates and List II contains cartesian co-ordinates:

LIST-I	LIST-II
A) $(2, \frac{3 π}{4})$	1. $(0, 3)$
B) $(5, \frac{π}{4})$	2. $(- \sqrt{2,} \sqrt{2})$
C) $(3, \frac{π}{2})$	3. $(2, 2 \sqrt{3})$
D) $(4, \frac{π}{3})$	4. $(\frac{5}{\sqrt{2}}, \frac{5}{\sqrt{2}})$

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