题干

(CN)2、(SCN)2、(OCN)2称“类卤素”,与卤素单质的性质相似,而其阴离子性质也相似,如:2Fe+3(SCN)2=2Fe(SCN)3,2Fe+3Cl2=2FeCl3。以此判断下列方程式中错误的是

A:(CN)2+H2O =' HCN+HCNO'

B:(SCN)2+2Cu 2CuSCN

C:(OCN)2+2NaOH = NaOCN+NaOCNO+H2O

D:H2+(SCN)2 2HSCN

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答案(点此获取答案解析)

B

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    Spanish River Park

    Location: 3001 Ocean Blvd.,Boca Raton.

    Admission: $16 per vehicle on weekdays,$18 on weekends and major holidays.

    Special Comments: About 95 acres,more than a half-mile of beach with lifeguards.No pets.1,680-foot nature path and large playground area.

    Food/Dining: Picnic areas with barbecue grills(烤肉架).Phone: (561)393-7811

    Restores: Restrooms and showers available.

    Red Reef Park

    Location: 1400 N.Ocean Blvd.,Boo2 Raton.

    Admission: $16 per vehicle on weekdays,$18 on weekends and major holidays.

    Special Comments: Developed beach (67 acres) with lifeguards.No alcohol or pets permitted.It offers grills and a small playground area.

    Food/Dining: Picnic areas available.Phone: (561) 393-7812

    Restrooms: Restrooms and showers available.

    South Beach Park

    Location: 400 N.Ocean Blvd.,Boca Raton.

    Admission: $15 per vehicle on weekdays,$17 on weekends and major holidays.

    Special Comments: 1,670 feet of beach,25 acres,lifeguards,955 feet of developed beach south of Boca Inlet with lifeguards.

    Food/Dining: Picnic areas available.Phone: (561) 393-7813

    Restrooms: Restrooms and showers available.

    Coconut Cove Waterpark

    Location: 11200 Park Access Road,Boca Raton.

    Admission: Adult $7; Children(4~12)$5; 3 and under free.

    Special Comments: The waterpark offers Sea Monster(怪物)walk pool,Meandering River,a waterslide and a waterfall.No alcohol or pets permitted.

    Food/Dining: Concessions.Phone: (561) 274-1140

    Restrooms: Restrooms and showers available.