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AIIMS 2015

Exam: AIIMS
Year: 2015
Subject: Chemistry
Chapter: Chemical Kinetics

AIIMS 2015 · Chemistry · Chemical Kinetics

In a decay process _Z^A X changes into _ Z-1 ^A Y . Which process...

In a decay process

{ }_Z^A X

changes into

{ }_{Z-1}^A Y

. Which process is this?

Options

A $\beta$ -decay
B $\beta^{+}$ -decay
C $\alpha$ -decay
D $\gamma$ -decay.

Correct answer

B. $\beta^{+}$ -decay

Step-by-step solution

{ }_Z^A X \longrightarrow{ }_{Z-1}^A Y+{ }_{+1}^0 e\left(\right. or \left.\beta^{+}\right)

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