Match the following? property metal (a) Element with highest second ionization enthalpy Δ i H 2 ( i ) Co (b) Element with highest third ionization enthalpy Δ i H 3 ( ii ) Cr (c) M in M ( CO ) 6 ( iii ) Cu (d) Element with highest heat of atomization Δ a H ( iv ) Zn ( v ) Ni

( a → iii ) , ( b → iv ) , ( c → ii ) , ( d → v )

( a → iii ),( b → i ),( c → v ),( d → iv )

( a → iv ) , ( b → i ) , ( c → ii ) , ( d → iii )

( a → v ) , ( b → iv ) , ( c → i ) , ( d → iii )

( a → iii ) , ( b → iv ) , ( c → ii ) , ( d → v )

( a → iii ),( b → i ),( c → v ),( d → iv )

( a → iv ) , ( b → i ) , ( c → ii ) , ( d → iii )

( a → v ) , ( b → iv ) , ( c → i ) , ( d → iii )

Which of the following is not arranged in the correct sequence?

d 5 , d 3 , d 1 , d 4 - Increasing magnetic moment

MO , M 2 O 3 , MO 2 , M 2 O 5 - Decreasing basic nature

S c , V , C r , M n - Increasing number of oxidation states

Mn 2 + , Fe 2 + , Cr 2 + , Co 2 + - decreasing stability

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MEDIUM

AP EAPCET

IMPORTANT

Match the following?

property	metal
(a) Element with highest second ionization enthalpy $(Δ_{i} H_{2})$	$(i) Co$
(b) Element with highest third ionization enthalpy $(Δ_{i} H_{3})$	$(ii) Cr$
(c) $M$ in $[M (CO)_{6}]$	$(iii) Cu$
(d) Element with highest heat of atomization $(Δ_{a} H)$	$(iv) Zn$
	$(v) Ni$