JEE Advanced 2019 Paper 1

Section: Chemistry

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Question : 30 of 54

Marks: +1, -0

In the decay sequence,

238

‌

92

U

−x1

────▶

234

‌

90

‌Th‌

−x2

───▶

‌

234

‌

91

‌Pa‌

−x3

───▶

‌

234

‌

‌

‌Z‌

−x4

───▶

‌

234

‌

90

‌Th,X1,X2,X3 and X4

are particles/radiation emitted by the respective isotopes. The correct option(s) is(are)

[JEE Adv 2019 P1]

Z is an isotope of uranium
x1 will deflect towards negatively charged plate
x3 is γ-ray
x2 is β−

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